- User/Groups
- File/Directory permissions
- Read more: https://www.linode.com/docs/guides/linux-users-and-groups/
- Process management
- System management
- PID 1 (pstree -n -p)
- We need these in the containers?
- Read more: https://docs.docker.com/config/containers/multi-service_container
- Read more: https://runnable.com/docker/rails/run-multiple-processes-in-a-container